289426940808 has 32 divisors (see below), whose sum is σ = 732285036000. Its totient is φ = 95313289088.

The previous prime is 289426940807. The next prime is 289426940809. The reversal of 289426940808 is 808049624982.

It is an interprime number because it is at equal distance from previous prime (289426940807) and next prime (289426940809).

It is a hoax number, since the sum of its digits (60) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (289426940807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72645333 + ... + 72649316.

It is an arithmetic number, because the mean of its divisors is an integer number (22883907375).

Almost surely, 2^289426940808 is an apocalyptic number.

It is an amenable number.

289426940808 is an abundant number, since it is smaller than the sum of its proper divisors (442858095192).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289426940808 is a wasteful number, since it uses less digits than its factorization.

289426940808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145294741 (or 145294737 counting only the distinct ones).

The product of its (nonzero) digits is 15925248, while the sum is 60.

The spelling of 289426940808 in words is "two hundred eighty-nine billion, four hundred twenty-six million, nine hundred forty thousand, eight hundred eight".